(announcer) the all-new subaru forester. love. it's what makes a subaru, >>> joining us now, emmy and golden globe award winning actor, alan alda, now a professor at center for communicating since. i want to do an improve workshop with you. can you imagine doing that with him? all right. >> did that in the past. >> he does improv workshops with scientists to help them communicate complex concepts in a more understandable way. >> never mind. that is a great idea. we want to go there. but let's first talk about this week, alan arvis passed away. worked with with you on mash. >> and a wonderful guy and so believable in his character. we useded to sit, when he first came on the show, i'd sit with him between shots and ask him questions about psychiatric theory and he started to look at me like what is this guy talking -- he didn't know anything about it. i knew he wasn't, but it sort of -- >> he was great. >> everybody did on the show. >> it's fascinating what you're doing. i was a lawyer and we did some criminal, we did some defense